Terms of Service

1 Acceptance of Terms

These Terms of Service ("Terms") are a legal agreement between you and MasterSets LLC ("MasterSets," "we," "us," or "our"), governing your use of the website at mastersets.com and all related features, tools, and content (collectively, the "Service").

By accessing or using the Service, you agree to be bound by these Terms and our Privacy Policy, which is incorporated here by reference. If you do not agree, do not use the Service.

These Terms apply to all visitors, registered users, and anyone else who accesses the Service.

2 Eligibility & Accounts

2.1 Age

The Service is available to users of all ages. Users under the age of 13 may use the Service through our anonymous account system, which requires no personal information — no name, no email address, no phone number, and no real-world identity of any kind. Parents and guardians are encouraged to review these Terms with younger users.

Users who choose to create a standard account with an email address must be at least 13 years old, or have verifiable parental consent if required by applicable law.

2.2 Anonymous Accounts

MasterSets is designed to be usable without providing any personally identifiable information. Our anonymous account system allows any user to create an account and track their collection privately, using only a username and a non-email-based credential. We will never require your real name, email address, phone number, or any other identifying information to use the core features of the Service.

2.3 Account Responsibility

You are responsible for maintaining the confidentiality of your account credentials. You agree to notify us immediately if you suspect unauthorized access to your account. We are not liable for any loss resulting from unauthorized use of your account.

2.4 One Account Per Person

You may not create multiple accounts to circumvent a suspension or ban, game any site features, or misrepresent your identity or collection activity.

3 The Service

3.1 What MasterSets Provides

MasterSets is a trading card game collection tracking platform. The Service includes:

• Card databases and set lists for multiple TCG titles (Pokémon, Magic: The Gathering, Lorcana, Star Wars Unlimited, Sorcery, and others)
• Collection tracking tools at the Base, Complete, and Master Set levels
• Card pricing data sourced from TCGPlayer via affiliate integration
• A TCG Store & Event Map displaying local game stores and events
• Set completion progress tracking and reporting

3.2 Data Accuracy

We put significant effort into building and maintaining accurate card lists — including secret rares, variants, regional exclusives, and promos — verified against official sources and community data. However, card data, set lists, and pricing information are provided for informational and tracking purposes only. We make no guarantee that any data on the Site is complete, current, or error-free.

3.3 Service Availability

We aim to keep the Service available at all times, but we do not guarantee uninterrupted access. We may perform maintenance, updates, or other actions that temporarily interrupt the Service, and we are not liable for any resulting downtime or data inaccessibility.

3.4 Free Service; No Advertising

The core features of the Service are provided free of charge. MasterSets does not run third-party advertisements. The Service is supported by TCGPlayer and eBay affiliate commissions — a small commission we may earn when you click a buy link and make a purchase, at no cost to you.

4 Your Content & Data

4.1 Ownership

Your collection data — the cards you've logged, your wish lists, your completion records — belongs to you. We do not claim ownership of data you enter into your account.

4.2 License to Operate the Service

By storing your collection data with us, you grant MasterSets a limited, non-exclusive, royalty-free license to store, process, and display your data for the sole purpose of operating the Service on your behalf. We use this license to show you your collection — nothing else.

4.3 Anonymized Aggregate Data

We may use anonymized, aggregated collection data — data that cannot be linked back to any individual user — to generate statistics, insights, and content about the TCG collector community (for example, "the most-collected cards in a given set" or completion rate trends). This data never identifies you personally and is never sold to third parties.

4.4 Data Export & Deletion

You may request a copy of your collection data or request that your account and all associated data be deleted at any time. See our Privacy Policy for details on how to make these requests.

5 Prohibited Conduct

You agree not to use the Service to:

• Scrape or harvest card data, set lists, prices, store listings, or any other content from the Site using automated tools, bots, crawlers, or scripts, without our prior written permission
• Reproduce or republish MasterSets' curated card lists, master set binders, or database content on any other platform or product
• Attempt to gain unauthorized access to any part of the Service, our servers, or any connected database
• Interfere with or disrupt the integrity or performance of the Service
• Circumvent, disable, or interfere with any security or access control feature
• Use the Service for any unlawful purpose or in violation of any applicable law or regulation
• Impersonate any person or entity, or misrepresent your affiliation with any person or entity
• Create accounts by automated means or under false pretenses
• Attempt to reverse-engineer, decompile, or disassemble any part of the Service

We reserve the right to suspend or terminate any account that we determine, in our sole discretion, has violated these rules.

6 Intellectual Property

6.1 MasterSets Content

The Service, including its design, code, curated card lists, master set binder data, set completion standards, written content, and all other original content, is owned by MasterSets LLC and protected by copyright, trade dress, and other intellectual property laws. You may not copy, reproduce, distribute, or create derivative works from our content without our express written permission.

6.2 Third-Party Card Content

Trading card names, artwork, and related trademarks belong to their respective publishers (e.g., The Pokémon Company, Wizards of the Coast, Disney, Fantasy Flight Games). MasterSets uses these references for identification, tracking, and informational purposes under principles of nominative fair use. We are not affiliated with, endorsed by, or sponsored by any TCG publisher unless explicitly stated.

6.3 Feedback

If you submit feedback, error reports, or suggestions about the Service (such as missing cards or incorrect set data), you grant us the right to use that feedback to improve the Service without any obligation to compensate you.

7 Affiliate Links & Third-Party Services

The Service contains affiliate links to TCGPlayer.com and eBay.com. When you click one of these links and make a purchase, MasterSets may earn a small commission at no additional cost to you. This is the primary way we fund ongoing development.

The Service may also link to third-party websites, including game store websites, WPN event listings, and other TCG resources. These third-party sites are governed by their own terms and privacy policies. We are not responsible for the content, accuracy, or practices of any third-party site.

Inclusion of an affiliate link or store listing is not an endorsement of that seller, store, or any product they offer.

8 Disclaimers

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.

We do not warrant that:

• The Service will be uninterrupted, error-free, or secure
• Any card data, set lists, prices, or store information is complete, accurate, or current
• The Service will meet your specific requirements
• Any defects in the Service will be corrected

Card pricing data is sourced from TCGPlayer and is provided for reference only. Market prices fluctuate and MasterSets is not responsible for any financial decisions made based on pricing data displayed on the Site.

9 Limitation of Liability

TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, MASTERSETS LLC AND ITS MEMBERS, OFFICERS, EMPLOYEES, AND AGENTS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING FROM YOUR USE OF OR INABILITY TO USE THE SERVICE, INCLUDING BUT NOT LIMITED TO:

• Loss of collection data
• Financial loss from purchasing decisions made based on Site data
• Loss of profits or revenue
• Any unauthorized access to or alteration of your data

OUR TOTAL LIABILITY TO YOU FOR ALL CLAIMS ARISING FROM YOUR USE OF THE SERVICE SHALL NOT EXCEED THE GREATER OF (A) THE AMOUNT YOU PAID TO MASTERSETS IN THE TWELVE MONTHS PRECEDING THE CLAIM, OR (B) ONE HUNDRED U.S. DOLLARS ($100).

Some jurisdictions do not allow the exclusion or limitation of certain damages. In such jurisdictions, our liability is limited to the greatest extent permitted by law.

10 Indemnification

You agree to indemnify, defend, and hold harmless MasterSets LLC and its members, officers, employees, and agents from and against any claims, liabilities, damages, judgments, awards, losses, costs, or expenses (including reasonable attorneys' fees) arising out of or relating to:

• Your violation of these Terms
• Your use of the Service in a manner not authorized by these Terms
• Your violation of any applicable law or third-party right

11 Termination

We reserve the right to suspend or terminate your access to the Service at any time, with or without notice, for any reason, including if we reasonably believe you have violated these Terms.

You may delete your account at any time. Upon termination, your right to use the Service ceases immediately. Sections of these Terms that by their nature should survive termination (including Sections 6, 8, 9, 10, and 12) will survive.

We will not terminate accounts arbitrarily. We are a small team that cares about the collector community, and account actions will only be taken in response to genuine abuse or violations.

12 Governing Law & Disputes

12.1 Governing Law

These Terms are governed by and construed in accordance with the laws of the State of Delaware, without regard to its conflict of law provisions. MasterSets LLC is a Delaware limited liability company.

12.2 Dispute Resolution

We genuinely hope any issues can be resolved informally — please contact us first and give us a chance to make it right. If a dispute cannot be resolved informally, you agree that any legal action or proceeding shall be brought exclusively in the state or federal courts located in Delaware, and you consent to personal jurisdiction in those courts.

12.3 Waiver of Class Action

To the extent permitted by law, you agree that any dispute will be brought on an individual basis only. You waive any right to participate in a class action lawsuit or class-wide arbitration against MasterSets.

13 Changes to These Terms

We may update these Terms from time to time. When we do, we will update the "Effective Date" at the top of this page. For material changes, we may provide additional notice — such as a banner on the Site or a notification to registered users.

Your continued use of the Service after updated Terms are posted constitutes your acceptance of those changes. If you do not agree to the updated Terms, you should stop using the Service.

14 Contact Us

Questions about these Terms? Reach out — we're a small team and we actually read our mail.